Compaq N1000 manual DVD-RW Drive, Access time, Cache buffer Data transfer rate

Specifications

Table 6-8
DVD-RW Drive
Applicable disk	DVD-5, DVD-9, DVD-10
	CD-ROM (Mode 1 and 2)
	CD Digital Audio
	CD-XA ready (Mode 2, Form 1 and 2)
	CD-I ready (Mode 2, Form 1 and 2)
	CD-R (read only)
	CD Plus
	Photo CD (single/multisession)
	CD-Bridge
Center hole diameter	1.5 cm	.59 in
Disk diameter	12 cm, 8 cm
Disk thickness	1.2 mm	.047 in
Track pitch	1.60 µm
Access time
Random	< 120 ms
Full stroke	< 175 ms
Audio output level	Line-out, 0.7 to 0.9 Vrms
Cache buffer	2 MB
Data transfer rate
CD-R (8X)	1200 KB/s (150 KB/s at 1X CD rate)
CD-RW (8X)	1200 KB/s (150 KB/s at 1X CD rate)
CD-ROM (24X)	3600 KB/s (150 KB/s at 1X CD rate)
DVD (8X)	10,800 KB/s (1352 KB/s at 1X
	DVD rate)
Normal PIO Mode 4 (single burst)	16.6 MB/s
Startup time
Single	< 7 seconds (typical)
Multi-session	< 30 seconds (typical)
Stop time	< 3 seconds

Maintenance and Service Guide 6–11